Composition for cosmetic or dermatological use containing a triblock copolymer

The invention claims application a and b skin for composition, the is characterised of comprises at least aqueous phase, wherein the aqueous phase comprises at least an B-A-B three block water-solubility structure or the water dispersibility polymer, A of the ion the soluble polymer block, B is a de-watering polymer block, the polymer block A content is greater than or equal to three block polymer total weights 50%. The invention also relates to a composition use, specifically a nursing of skin, the cutin fibre and mucosal, cleaning, protecting and/or cosmetic with the cosmetic use.